Dell PowerEdge T550 EMC Technical Specifications - Page 9

Table 10. Storage controller cards Internal controllers ● S150 ● PERC H345 ● H355 ● PERC H755 ● H755N ● HBA355i ● Boot Optimized Storage Subsystem (BOSS-S2): HWRAID 2 x M.2 SSDs External controllers ● HBA355e ● PERC H840 Drive specifications Drives The PowerEdge T550 system supports: ● Up to 8 x 2.5-inch SAS/SATA/ (HDD) drives ● Up to 16 x 2.5-inch SAS/SATA (HDD) drives ● Up to 24 x 2.5-inch SAS/SATA/ (HDD) drives ● Up to 8 x 3.5-inch SAS/SATA/ (HDD/SSD) drives ● Up to 8 x 3.5-inch SAS/SATA + 8 x 2.5-inch NVMe (HDD/SSD) drives NOTE: For more information about how to hot swap NVMe PCIe SSD U.2 device, see the Dell Express Flash NVMe PCIe SSD User's Guide at https://www.dell.com/support Browse all Products > Data Center Infrastructure > Storage Adapters & Controllers > Dell PowerEdge Express Flash NVMe PCIe SSD > Documentation > Manuals and Documents. Optical drives The PowerEdge T550 system supports one Slim SATA DVD-ROM drive. NOTE: DVD devices support only data. Ports and connectors specifications USB ports specifications Table 11. USB specifications Front USB port type USB 2.0-compliant port One USB 3.0-compliant port One iDRAC Direct port (Micro- One AB USB 2.0-compliant port) No. of ports USB port type USB 3.0-compliant port USB 2.0-compliant port Rear One One No. of ports NOTE: The front micro USB 2.0 compliant port is only available for the upsell configuration. NOTE: The micro USB 2.0 compliant port can only be used as an iDRAC Direct or a management port. Technical specifications 9